[ale] Comparing EXT4 and JFS

Greg Freemyer greg.freemyer at gmail.com
Wed Feb 4 16:05:38 EST 2009


On Wed, Feb 4, 2009 at 3:06 PM, Paul Cartwright <ale at pcartwright.com> wrote:
> On Wed February 4 2009, Brian Pitts wrote:
>> Looks like it's been enabled in SystemRescueCD since November 2007 and
>> that the stable code will be in the next release.
>>
>> http://www.sysresccd.org/forums/viewtopic.php?t=1735
>> http://sysresccd.org/Beta-x86
>>
> that may be, but Debian won't have it in Lenny, it is still in unstable..
> but Fedora9:
> http://ext4.wiki.kernel.org/index.php/Ext4_Howto
> Fedora 9 currently has a kernel based on 2.6.25 that has basic ext4 support.
> (It is missing some of the latest fixes and performance optimizations, such
> as delayed allocation.) A 2.6.26 kernel update should be available reasonably
> soon, with more up-to-date ext4 code, though still missing delayed
> allocation, which should arrive in 2.6.27.
>
> Fedora 9 has all of the basic infrastructure needed to be able to run ext4,
> including updated udev, blkid, and other bits needed for ext4 to be a
> transparently recognized filesystem.
>
> e2fsprogs-1.41.0 is currently in the Fedora 9 updates-testing repository, and
> users wishing to utilize ext4 should use this version of e2fsprogs.
>

I don't think a 64-bit version of e2fsprogs even exists yet.

I joined the ext4 mailing list a week or two ago just to see what was
going on and I think I saw a post to that effect a couple days ago.

Regardless, I would tread very lightly on ext4 for another couple
months at least.

Suse has not even committed to supporting it in there fall release.
(11.2)  I'd be surprised if they don't and they have several months
before they really need to decide.

Greg
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